61303056 has 20 divisors (see below), whose sum is σ = 158366352. Its totient is φ = 20434336.

The previous prime is 61303049. The next prime is 61303097. The reversal of 61303056 is 65030316.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638526 + ... + 638621.

Almost surely, 2^61303056 is an apocalyptic number.

It is an amenable number.

61303056 is an abundant number, since it is smaller than the sum of its proper divisors (97063296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61303056 is a wasteful number, since it uses less digits than its factorization.

61303056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277158 (or 1277152 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 61303056 is about 7829.6268110300. The cubic root of 61303056 is about 394.3005428456.

The spelling of 61303056 in words is "sixty-one million, three hundred three thousand, fifty-six".